/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: 高生平
 * Date: 2025-09-05
 * Time: 18:16
 */
public class Test {
    public static void main(String[] args) {
        int sum = 0;
        int i = 1;
        while (i <= 100) {
            sum += i;
            i++;
        }
        System.out.println("1+2+3+...+100 = " + sum);
    }
}
